Improvement in organ-reed-testing apparatus



l. R. PERRY.

Organ-Reed Testi'ng Apparatus. N0.l50,429, Patented May 5,1874r UNITEDSTATES PATENT OFFICE.

JOSEPH R. PERRY, OF VILKESBARRE, PENNSYLVANIA.

IMPROVEMENT IN ORGAN-REED-TESTING APPARATUS.

Specilieation forming part of Letters Patent No. 150,429, dated May 5,1874; application filed August 8, 1873.

a side elevation.

Similar letters of reference in the accompanyin g drawings denote thesaine parts.

rIhis invention has for its object to provide for the public aneffectual means for toning and testing reed-organs after the reeds havebeen iiled and voiced; and it consists of a frame adapted to receive thekey-board and action of a reed-organ, and provided with a double-actingbellows for blowing Ithe said reeds, and a rotary drum armed withsuitable projections for operating the keys through an intermediate setof permanent pressure-keys, said bellows and cylinder being driven byany suitable power, and acting on the organ in such manner as to playthe same for any desired length of time, and thereby thoroughly test andtone each reed, as I will now proceed to describe.

In the drawings, A represents a frame composed of four uprights suitablyconnected, and provided with a horizontal shelf, B, adapted to receivethe action C of a reed-organ. On the top of the frame A is journaled alongitudinal cylinder, D, provided with projections or pins'E, arrangedspirally or in any desired manner, on its periphery. The cylinder D isconnected by a belt, F, with a transverse shaft, G, located in the lowerportion of the frame A near one end. II H, &c., represent a series ofpressure-keys, corresponding in number to those of the organ, andlocated in line under the cylinder D. Said keys are jointed at theirrear ends to a series o1' rigid tongues, II', attached to a strip, I,and are located that cach of them is depressed by the pins E at everyrevolution of the cylinder D, and when the organ-aetion is placed in.position its keys correspond with and are operated by the pressure-keysI-I. L L represent doubleacting bellows, such as are in common use incabinet-organs, located below the shelf B, and operated by the crank ordisk M of the shaft G, said crank being connected by a pitman, N, withthe oscillating lever O, pivoted to the front side of the frame A, andhaving its ends connected to the bellows L L by bands or straps P P. Atevery oscillation of the lever the straps P P alternately distend andrelease the bellows L L', the latter being compressed by springs R Itwhen released by the alternate slackening of the straps as the ends ofthe lever O rise. The straps P P pass over friction-rollers S, journaledon the front of the trame A.

From the fore-going description, it will be seen that when a reed-set isplaced in the shelf B, it is directly over the bellows L L', which drawsthe wind through the reed-set when power is applied to the shaft G, thesame power turning the cylinder D by means of the belt F, and operatingthe keys of the organ through the permanent set of pressurekeys II, thusblowing the reeds serially as long as may be desired.

By placing an action or reed-set on this machine, and running it for thespace of several hours, the reeds are caused to vibrate more than theywould. in the ordinary use of an organ for twelve months. The constantvibration will thus so permanently iix and set the metal that, when theaction is removed from the apparatus, I iind on adjusting the pitch thatit remains permanently in tune, and that the reeds are tl'ioroughlycleaned, every particle of dust having been removed.

Should a bad reed be overlooked in tuning, when this apparatus isbrought to bear on it it is sure to break 5 hence cracked or ilawedreeds cannot escape the attention of the maker.

The pins or projections on the cylinder are of Various kinds, regularlyor irregularly placed in rows, so as to produce Various kinds of tonesas the pins and slides move over the keys.

The shelf B is adjustable by means ofscrews T, so as to bring` theorgan-action into proper relation to the pressure-keys H.

Having thus described my invention, I claim as newl. The frame A,provided with the toothed cylinder D, and adapted to receive and hold anorgan-action or reedset in such position

